Location History:
- Takasaki, JP (2007 - 2013)
- Kanagawa, JP (2013)
- Tokyo, JP (2008 - 2016)
- Itami, JP (2016)
- Yokohama, JP (2015 - 2017)
Company Filing History:
16 out of 7,529 
8 out of 3,781 
Years Active: 2007-2017
Title: **The Innovations of Toshio Nagasawa: A Pioneer in Power-Supply Technology**
Introduction
Toshio Nagasawa, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of power-supply technology. With a remarkable portfolio of 24 patents, he has established himself as a prominent figure in innovation. His latest inventions reflect his expertise and dedication to advancing electrical engineering.
Latest Patents
Among his latest patents is a groundbreaking power-supply apparatus that features both a high-side transistor and a low-side transistor. This apparatus includes an inductor and a first transistor that delivers current to the input side of the inductor while in an on-state. The second transistor activates when the first is off, bringing the inductor's input side to a predetermined potential. This innovative design is complemented by a signal generation unit and a control unit that ensures smooth operation.
Another notable patent is focused on a switching power source that effectively controls current flowing through an inductor using a PWM signal. A unique booster circuit, made up of bootstrap capacity and a MOSFET, is integrated between the output node and a voltage terminal. This enhances the operational voltage of the switching element’s driving circuit, showcasing Nagasawa's commitment to efficiency and performance.
Career Highlights
Toshio Nagasawa has worked with prominent companies like Renesas Electronics Corporation and Renesas Technology Corporation, where he has applied his innovative concepts and skills. His work has not only influenced product development but has also advanced the understanding of power-supply applications in various technologies.
Collaborations
Throughout his career, Nagasawa has collaborated with talented individuals such as Ryotaro Kudo and Kyoichi Hosokawa. These partnerships have fostered a dynamic exchange of ideas, resulting in innovative solutions and advancements in technology.
Conclusion
Toshio Nagasawa exemplifies the spirit of innovation through his extensive patent portfolio and collaborative efforts. His groundbreaking inventions in power-supply technology continue to leave an indelible mark on the field, inspiring future advancements in electrical engineering.